| 单词 | 古新世 |
| 释义 | 〔creodont〕Any of various extinct carnivorous mammals of the suborder Creodonta, of the Paleocene Epoch to the Pliocene Epoch.肉齿类哺乳动物：任一种从古新世到上新世之间的属于肉齿亚目的多种现已灭绝的食肉哺乳动物〔Cambrian〕Of, relating to, or belonging to the geologic time, system of rocks, and sedimentary deposits of the first period of the Paleozoic Era, characterized by warm seas and desert land areas. See table at geologic time 寒武纪的：寒武纪的、与之相关的或属于它的，即古新世时代第一时期的岩石体系的以及沉积物的，以海洋的温暖和陆地的荒漠为特征 参见 geologic time〔Eocene〕Of, relating to, or designating the geologic time, rock series, sedimentary deposits, and fossils of the second oldest of the five major epochs of the Tertiary Period, extending from the end of the Paleocene to the beginning of the Oligocene, and characterized by the rise of mammals. See table at geologic time 始新世的：关于或标明第三纪的五个世中第二世的地质时代、岩系段，沉积矿床和化石的，该世由古新世末期到渐新世初期，以哺乳动物的繁盛为特征 参见 geologic time |
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